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# Lead Back-end Engineer Node.Js - Wizz

- **Company:** VOODOO SAS
- **Location:** Paris, France
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Amazon Cloudfront, Amazon S3, Apple Xcode, BigQuery, Command-Line Interface, Computer Programming, DevOps, Distributed Systems, Github, MongoDB, Node.Js, Redis, Aws Command Line Interface (CLI), Firebase, Backend, Cloudformation, Cocoapods, Google Cloud Functions, Api Design, Software Coding, Terraform, Docker, Microservices
- **Published:** June 13, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=7d4ece086c62151e

## About the Role

Do you have experience in iOS?, * Language and libraries: Node.js, Fastify, Socket.io, Go, Firebase

 * Databases: MongoDB, Redis
 * Infrastructure: Cloud Run, Pub/Sub, S3, CloudFront, Big Query
 * Ops: Github Action, AWS CLI, gcloud CLI, Docker, microservice architecture
 * iOS: XCode, GitHub, Cocoapods (public and private), * Passion for the mobile consumer industry
 * Be fluent in French
 * Excellent back-end programming skills (5+ years experience)
 * Interest in Node.JS (vanilla)
 * Professional GCP or AWS expertise
 * Experience building APIs
 * Experience with high traffic and distributed systems architectures
 * Familiarity with services & technologies used in our Stack
 * Track record with a social media application is a plus
 * DevOps skills (Terraform, Cloud formation, …), are a plus

## Description

We are looking for :

 * A Lead Backend Engineer who is not only technically strong but also eager to contribute to the product vision and actively participate in decision-making.
 * You won't just be writing code, you'll have a key role in shaping the architecture, scalability, and long-term strategy of Wizz.
 * Your ability to think beyond execution and take ownership will be crucial: we want someone who is proactive, challenges assumptions, and collaborates with product and engineering teams to create a robust, scalable, and innovative platform., * Lead the backend team at Wizz of 4 Senior Backend Engineer, be responsible of the strategy
 * Own the backend architecture, ensuring scalability, performance, and reliability for millions of users.
 * Collaborate closely with product teams to shape and influence product decisions with a strong technical perspective.
 * Design, implement, deploy, and maintain highly scalable and available backend systems, including features that enhance user safety and content moderation.
 * Integrate and manage third-party services (e.g., analytics, moderation, cloud tools) to ensure a secure and seamless user experience.
 * Define and promote best practices in reliability, observability, and infrastructure management.
 * Contribute to backend infrastructure evolution, ensuring that it supports rapid product iterations, responsible growth, and a safe environment for our users.
 * Improve system performance and scalability, particularly around high-traffic distributed systems.


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